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-rw-r--r--bta/ag/bta_ag_ci.c98
1 files changed, 98 insertions, 0 deletions
diff --git a/bta/ag/bta_ag_ci.c b/bta/ag/bta_ag_ci.c
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+/******************************************************************************
+ *
+ * Copyright (C) 2003-2012 Broadcom Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * This is the implementation file for audio gateway call-in functions.
+ *
+ ******************************************************************************/
+
+#include <string.h>
+#include "bta_api.h"
+#include "bta_ag_api.h"
+#include "bta_ag_int.h"
+#include "bta_ag_ci.h"
+#include "gki.h"
+
+/******************************************************************************
+**
+** Function bta_ag_ci_rx_write
+**
+** Description This function is called to send data to the AG when the AG
+** is configured for AT command pass-through. The function
+** copies data to an event buffer and sends it.
+**
+** Returns void
+**
+******************************************************************************/
+void bta_ag_ci_rx_write(UINT16 handle, char *p_data, UINT16 len)
+{
+ tBTA_AG_CI_RX_WRITE *p_buf;
+ UINT16 len_remaining = len;
+ char *p_data_area;
+
+ if (len > (RFCOMM_DATA_POOL_BUF_SIZE - sizeof(tBTA_AG_CI_RX_WRITE) - 1))
+ len = RFCOMM_DATA_POOL_BUF_SIZE - sizeof(tBTA_AG_CI_RX_WRITE) - 1;
+
+ while (len_remaining)
+ {
+ if (len_remaining < len)
+ len = len_remaining;
+
+ if ((p_buf = (tBTA_AG_CI_RX_WRITE *) GKI_getbuf((UINT16)(sizeof(tBTA_AG_CI_RX_WRITE) + len + 1))) != NULL)
+ {
+ p_buf->hdr.event = BTA_AG_CI_RX_WRITE_EVT;
+ p_buf->hdr.layer_specific = handle;
+
+ p_data_area = (char *)(p_buf+1); /* Point to data area after header */
+ strncpy(p_data_area, p_data, len);
+ p_data_area[len] = 0;
+
+ bta_sys_sendmsg(p_buf);
+ } else {
+ APPL_TRACE_ERROR1("ERROR: Unable to allocate buffer to hold AT response code. len=%i", len);
+ break;
+ }
+
+ len_remaining-=len;
+ p_data+=len;
+ }
+}
+
+/******************************************************************************
+**
+** Function bta_ag_ci_slc_ready
+**
+** Description This function is called to notify AG that SLC is up at
+** the application. This funcion is only used when the app
+** is running in pass-through mode.
+**
+** Returns void
+**
+******************************************************************************/
+void bta_ag_ci_slc_ready(UINT16 handle)
+{
+ tBTA_AG_DATA *p_buf;
+
+ if ((p_buf = (tBTA_AG_DATA *)GKI_getbuf(sizeof(tBTA_AG_DATA))) != NULL)
+ {
+ p_buf->hdr.event = BTA_AG_CI_SLC_READY_EVT;
+ p_buf->hdr.layer_specific = handle;
+ bta_sys_sendmsg(p_buf);
+ }
+}